Alphabetical help. Post: 302548795

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Homework and Emergencies Homework & Coursework Questions Alphabetical help. Post 302548795 by Ren_kun on Friday 19th of August 2011 09:56:27 AM

08-19-2011

Registered User

sorry i fail to see where you used your parenthesis to make a comparison.

EDIT: If i think you did what i think you did then i probably did do it. If you check out the new code i made.

Code:

"3")
clear
echo Enter capitol alphabetical letters one at a time and press 0 to finish
letter="Z"
if [[ "$letter" < Z || "$letter" == Z ]] && [[ "$letter" > A || "$letter" == A ]
]; then
        while [[ "$letter" == Z || "$letter" < Z ]] && [[ "$letter" > A || "$let
ter" == A ]] && [[ "$letter" != 0 ]]; do
        read letter2
                if [[ $letter2 < $letter ]]; then
                letter=letter2
                else
                break
                fi
        break
        done
elif [ "$letter2" == 0 ]; then
echo Lowest letter is $letter
else
echo "Invalid input. Please enter A-Z (capital) one at a time finalised by a 0"
fi
;;

Ren_kun

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LEARN ABOUT NETBSD

tolower

TOLOWER(3)						   BSD Library Functions Manual 						TOLOWER(3)

NAME

     tolower -- upper case to lower case letter conversion

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <ctype.h>

     int
     tolower(int c);

DESCRIPTION

     The tolower() function converts an upper-case letter to the corresponding lower-case letter.

RETURN VALUES

     If the argument is an upper-case letter, the tolower() function returns the corresponding lower-case letter if there is one; otherwise the
     argument is returned unchanged.

SEE ALSO

     ctype(3), isalnum(3), isalpha(3), isascii(3), iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), ispunct(3), isspace(3), isupper(3),
     isxdigit(3), stdio(3), toascii(3), toupper(3), ascii(7)

STANDARDS

     The tolower() function conforms to ANSI X3.159-1989 (``ANSI C89'').

CAVEATS

     The argument to tolower() must be EOF or representable as an unsigned char; otherwise, the behavior is undefined.	See the CAVEATS section of
     ctype(3) for more details.

BSD
								  April 17, 2008							       BSD

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